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  <title>Set options</title>
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 <body class="docs"><div id="layout">
  <div id="layout-content"><div id="function.maxdb-options" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">maxdb_options</h1>
  <h1 class="refname">maxdb::options</h1>
  <p class="verinfo">(PECL maxdb &gt;= 1.0)</p><p class="refpurpose"><span class="refname">maxdb_options</span> -- <span class="refname">maxdb::options</span> &mdash; <span class="dc-title">Set options</span></p>

 </div>

 <div class="refsect1 description" id="refsect1-function.maxdb-options-description">
  <h3 class="title">说明</h3>
  <p class="para">过程化风格</p>
  <div class="methodsynopsis dc-description">
   <span class="methodname"><strong>maxdb_options</strong></span>
    ( <span class="methodparam"><span class="type">resource</span> <code class="parameter">$link</code></span>
   , <span class="methodparam"><span class="type">int</span> <code class="parameter">$option</code></span>
   , <span class="methodparam"><span class="type"><a href="language.pseudo-types.html#language.types.mixed" class="type mixed">mixed</a></span> <code class="parameter">$value</code></span>
   ) : <span class="type">bool</span></div>

  <p class="para rdfs-comment">面向对象风格</p>
  <div class="methodsynopsis dc-description">
   <span class="methodname"><strong>maxdb::options</strong></span>
    ( <span class="methodparam"><span class="type">int</span> <code class="parameter">$option</code></span>
   , <span class="methodparam"><span class="type"><a href="language.pseudo-types.html#language.types.mixed" class="type mixed">mixed</a></span> <code class="parameter">$value</code></span>
   ) : <span class="type">bool</span></div>

  <p class="para rdfs-comment">
   <span class="function"><strong>maxdb_options()</strong></span> can be used to set extra connect options
   and affect behavior for a connection.
  </p>
  <p class="para">
   This function may be called multiple times to set several options.
  </p>
  <p class="para">
   <span class="function"><strong>maxdb_options()</strong></span> should be called after <span class="function"><a href="maxdb_init.html" class="function">maxdb_init()</a></span>
   and before <span class="function"><a href="maxdb_real_connect.html" class="function">maxdb_real_connect()</a></span>.
  </p>
  <p class="para">
   The parameter <code class="parameter">option</code> is the option that you want to set,
   the <code class="parameter">value</code> is the value for the option. For detailed
   description of the options see <a href="http://maxdb.sap.com/documentation/" class="link external">&raquo;&nbsp;http://maxdb.sap.com/documentation/</a>
   The parameter <code class="parameter">option</code> can be one of the following values:
   <table class="doctable table">
    <caption><strong>Valid options</strong></caption>
    
     <thead>
      <tr>
       <th>Name</th>
       <th>Description</th>
      </tr>

     </thead>

     <tbody class="tbody">
      <tr>
       <td><strong><code>MAXDB_COMPNAME</code></strong></td>
       <td>The component name used to initialise the SQLDBC runtime environment.</td>
      </tr>

      <tr>
       <td><strong><code>MAXDB_APPLICATION</code></strong></td>
       <td>The application to be connected to the database.</td>
      </tr>

      <tr>
       <td><strong><code>MAXDB_APPVERSION</code></strong></td>
       <td>The version of the application.</td>
      </tr>

      <tr>
       <td><strong><code>MAXDB_SQLMODE</code></strong></td>
       <td>
        The SQL mode.
       </td>
      </tr>

      <tr>
       <td><strong><code>MAXDB_UNICODE</code></strong></td>
       <td>
         TRUE, if the connection is an unicode (UCS2) client or FALSE, if not.
       </td>
      </tr>

      <tr>
       <td><strong><code>MAXDB_TIMEOUT</code></strong></td>
       <td>
         The maximum allowed time of inactivity after which the connection to the
         database is closed by the system.
       </td>
      </tr>

      <tr>
       <td><strong><code>MAXDB_ISOLATIONLEVEL</code></strong></td>
       <td>
         Specifies whether and how shared locks and exclusive locks are implicitly
         requested or released.
       </td>
      </tr>

      <tr>
       <td><strong><code>MAXDB_PACKETCOUNT</code></strong></td>
       <td>
         The number of different request packets used for the connection.
       </td>
      </tr>

      <tr>
       <td><strong><code>MAXDB_STATEMENTCACHESIZE</code></strong></td>
       <td>
         The number of prepared statements to be cached for the connection for re-use.
       </td>
      </tr>

      <tr>
       <td><strong><code>MAXDB_CURSORPREFIX</code></strong></td>
       <td>
         The prefix to use for result tables that are automatically named.
       </td>
      </tr>

     </tbody>
    
   </table>

  </p>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-function.maxdb-options-returnvalues">
  <h3 class="title">返回值</h3>
  <p class="para">
   成功时返回 <strong><code>TRUE</code></strong>， 或者在失败时返回 <strong><code>FALSE</code></strong>。
  </p>
 </div>


 <div class="refsect1 examples" id="refsect1-function.maxdb-options-examples">
  <h3 class="title">范例</h3>
  <p class="para">
   See <span class="function"><a href="maxdb_real_connect.html" class="function">maxdb_real_connect()</a></span>.
  </p>
 </div>


 <div class="refsect1 seealso" id="refsect1-function.maxdb-options-seealso">
  <h3 class="title">参见</h3>
  <p class="para">
   <ul class="simplelist">
    <li class="member"><span class="function"><a href="maxdb_init.html" class="function" rel="rdfs-seeAlso">maxdb_init()</a> - Initializes MaxDB and returns an resource for use with maxdb_real_connect</span></li>
    <li class="member"><span class="function"><a href="maxdb_real_connect.html" class="function" rel="rdfs-seeAlso">maxdb_real_connect()</a> - Opens a connection to a MaxDB server</span></li>
   </ul>
  </p>
 </div>


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